preparation of potassium permagnet ?
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The preparation involves following steps:
Conversion of MnO2 to potassium manganate. The powdered pyrolusite is fused with potassium hydroxide in presence of air to form potassium manganate, which is a green colored compound.
Oxidation of potassium manganate to potassium permanganate. Oxidation can be done in two methods.
Conversion of MnO2 to potassium manganate. The powdered pyrolusite is fused with potassium hydroxide in presence of air to form potassium manganate, which is a green colored compound.
Oxidation of potassium manganate to potassium permanganate. Oxidation can be done in two methods.
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